261693516

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{599}}^1\times {\mathrm{743}}^1$

素因数の和:1363

約数の個数: 72

約数和(自身を含む): 712454400

約数和(自身を除く): 450760884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 599, 743, 1198, 1486, 1797, 2229, 2396, 2972, 3594, 4193, 4458, 5201, 7188, 8386, 8916, 10402, 12579, 15603, 16772, 20804, 25158, 29351, 31206, 36407, 50316, 58702, 62412, 72814, 88053, 109221, 117404, 145628, 176106, 218442, 352212, 436884, 445057, 890114, 1335171, 1780228, 2670342, 3115399, 5340684, 6230798, 9346197, 12461596, 18692394, 21807793, 37384788, 43615586, 65423379, 87231172, 130846758, 261693516]

約数ペア:

[(1, 261693516), (2, 130846758), (3, 87231172), (4, 65423379), (6, 43615586), (7, 37384788), (12, 21807793), (14, 18692394), (21, 12461596), (28, 9346197), (42, 6230798), (49, 5340684), (84, 3115399), (98, 2670342), (147, 1780228), (196, 1335171), (294, 890114), (588, 445057), (599, 436884), (743, 352212), (1198, 218442), (1486, 176106), (1797, 145628), (2229, 117404), (2396, 109221), (2972, 88053), (3594, 72814), (4193, 62412), (4458, 58702), (5201, 50316), (7188, 36407), (8386, 31206), (8916, 29351), (10402, 25158), (12579, 20804), (15603, 16772)]